Looks like a bug. Can you please create a ticket on https://issues.apache.org/jira/browse/CASSANDRA and update the email thread ?
Can you include this: CFPropDefs.applyToCFMetadata() does not set the compaction class on CFM Thanks ----------------- Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 31/08/2012, at 7:05 AM, Jean-Armel Luce <jaluc...@gmail.com> wrote: > I tried as you said with cassandra-cli, and still unsuccessfully > > [default@unknown] use test1; > Authenticated to keyspace: test1 > [default@test1] UPDATE COLUMN FAMILY pns_credentials with > compaction_strategy='LeveledCompactionStrategy'; > 8ed12919-ef2b-327f-8f57-4c2de26c9d51 > Waiting for schema agreement... > ... schemas agree across the cluster > > And then, when I check the compaction strategy, it is still > SizeTieredCompactionStrategy > [default@test1] describe pns_credentials; > ColumnFamily: pns_credentials > Key Validation Class: org.apache.cassandra.db.marshal.UTF8Type > Default column value validator: org.apache.cassandra.db.marshal.UTF8Type > Columns sorted by: org.apache.cassandra.db.marshal.UTF8Type > GC grace seconds: 864000 > Compaction min/max thresholds: 4/32 > Read repair chance: 0.1 > DC Local Read repair chance: 0.0 > Replicate on write: true > Caching: KEYS_ONLY > Bloom Filter FP chance: default > Built indexes: [] > Column Metadata: > Column Name: isnew > Validation Class: org.apache.cassandra.db.marshal.Int32Type > Column Name: ts > Validation Class: org.apache.cassandra.db.marshal.DateType > Column Name: mergestatus > Validation Class: org.apache.cassandra.db.marshal.Int32Type > Column Name: infranetaccount > Validation Class: org.apache.cassandra.db.marshal.UTF8Type > Column Name: user_level > Validation Class: org.apache.cassandra.db.marshal.Int32Type > Column Name: msisdn > Validation Class: org.apache.cassandra.db.marshal.LongType > Column Name: mergeusertype > Validation Class: org.apache.cassandra.db.marshal.Int32Type > Compaction Strategy: > org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy > Compression Options: > sstable_compression: org.apache.cassandra.io.compress.SnappyCompressor > > > > I tried also to create a new table with LeveledCompactionStrategy (using > cqlsh), and when I check the compaction strategy, the > SizeTieredCompactionStrategy is set for this table. > > cqlsh:test1> CREATE TABLE pns_credentials3 ( > ... ise text PRIMARY KEY, > ... isnew int, > ... ts timestamp, > ... mergestatus int, > ... infranetaccount text, > ... user_level int, > ... msisdn bigint, > ... mergeusertype int > ... ) WITH > ... comment='' AND > ... read_repair_chance=0.100000 AND > ... gc_grace_seconds=864000 AND > ... compaction_strategy_class='LeveledCompactionStrategy' AND > ... compression_parameters:sstable_compression='SnappyCompressor'; > cqlsh:test1> describe table pns_credentials3 > > CREATE TABLE pns_credentials3 ( > ise text PRIMARY KEY, > isnew int, > ts timestamp, > mergestatus int, > infranetaccount text, > user_level int, > msisdn bigint, > mergeusertype int > ) WITH > comment='' AND > comparator=text AND > read_repair_chance=0.100000 AND > gc_grace_seconds=864000 AND > default_validation=text AND > min_compaction_threshold=4 AND > max_compaction_threshold=32 AND > replicate_on_write='true' AND > compaction_strategy_class='SizeTieredCompactionStrategy' AND > compression_parameters:sstable_compression='SnappyCompressor'; > > Maybe something is wrong in my server. > Any idea ? > > Thanks. > Jean-Armel > > > 2012/8/30 feedly team <feedly...@gmail.com> > in cassandra-cli, i did something like: > > update column family xyz with compaction_strategy='LeveledCompactionStrategy' > > > On Thu, Aug 30, 2012 at 5:20 AM, Jean-Armel Luce <jaluc...@gmail.com> wrote: > > Hello, > > I am using Cassandra 1.1.1 and CQL3. > I have a cluster with 1 node (test environment) > Could you tell how to set the compaction strategy to Leveled Strategy for an > existing table ? > > I have a table pns_credentials > > jal@jal-VirtualBox:~/cassandra/apache-cassandra-1.1.1/bin$ ./cqlsh -3 > Connected to Test Cluster at localhost:9160. > [cqlsh 2.2.0 | Cassandra 1.1.1 | CQL spec 3.0.0 | Thrift protocol 19.32.0] > Use HELP for help. > cqlsh> use test1; > cqlsh:test1> describe table pns_credentials; > > CREATE TABLE pns_credentials ( > ise text PRIMARY KEY, > isnew int, > ts timestamp, > mergestatus int, > infranetaccount text, > user_level int, > msisdn bigint, > mergeusertype int > ) WITH > comment='' AND > comparator=text AND > read_repair_chance=0.100000 AND > gc_grace_seconds=864000 AND > default_validation=text AND > min_compaction_threshold=4 AND > max_compaction_threshold=32 AND > replicate_on_write='true' AND > compaction_strategy_class='SizeTieredCompactionStrategy' AND > compression_parameters:sstable_compression='SnappyCompressor'; > > I want to set the LeveledCompaction strategy for this table, so I execute the > following ALTER TABLE : > > cqlsh:test1> alter table pns_credentials > ... WITH compaction_strategy_class='LeveledCompactionStrategy' > ... AND compaction_strategy_options:sstable_size_in_mb=10; > > In Cassandra logs, I see some informations : > INFO 10:23:52,532 Enqueuing flush of > Memtable-schema_columnfamilies@965212657(1391/1738 serialized/live bytes, 20 > ops) > INFO 10:23:52,533 Writing Memtable-schema_columnfamilies@965212657(1391/1738 > serialized/live bytes, 20 ops) > INFO 10:23:52,629 Completed flushing > /var/lib/cassandra/data/system/schema_columnfamilies/system-schema_columnfamilies-hd-94-Data.db > (1442 bytes) for commitlog position ReplayPosition(segmentId=3556583843054, > position=1987) > > > However, when I look at the description of the table, the table is still with > the SizeTieredCompactionStrategy > cqlsh:test1> describe table pns_credentials ; > > CREATE TABLE pns_credentials ( > ise text PRIMARY KEY, > isnew int, > ts timestamp, > mergestatus int, > infranetaccount text, > user_level int, > msisdn bigint, > mergeusertype int > ) WITH > comment='' AND > comparator=text AND > read_repair_chance=0.100000 AND > gc_grace_seconds=864000 AND > default_validation=text AND > min_compaction_threshold=4 AND > max_compaction_threshold=32 AND > replicate_on_write='true' AND > compaction_strategy_class='SizeTieredCompactionStrategy' AND > compression_parameters:sstable_compression='SnappyCompressor'; > > In the schema_columnfamilies table (in system keyspace), the table > pns_credentials is still using the SizeTieredCompactionStrategy > cqlsh:test1> use system; > cqlsh:system> select * from schema_columnfamilies ; > ... > test1 | pns_credentials | null | KEYS_ONLY | > [] | | > org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy | > {} | > > org.apache.cassandra.db.marshal.UTF8Type | > {"sstable_compression":"org.apache.cassandra.io.compress.SnappyCompressor"} | > org.apache.cassandra.db.marshal.UTF8Type | 864000 | 1029 | > ise | org.apache.cassandra.db.marshal.UTF8Type | > 0 | 32 | 4 | > 0.1 | True | null | Standard | null > ... > > > I stopped/started the Cassandra node, but the table is still with > SizeTieredCompactionStrategy > > I tried using cassandra-cli, but the alter is still unsuccessfull. > > Is there anything I am missing ? > > > Thanks. > > Jean-Armel > >
